主页
学科
搜索
账户
常见问题
当前学科：发电厂锅炉专业知识
题目：
判断题
炉膛负压摆动大，瞬间负压到最大，一、二次风压不正常地降低，水位瞬间下降，汽温下降，据上述条件可判断是炉内爆管。
A . 正确
B . 错误
答案：
<查看本题扣1积分>
查看答案
答案不对？请尝试站内搜索
推荐知识点:
飞行时，霾对飞行能见度或观察地形地物的能力有何影响（）
职场中，合理的竞争方式是（）
有一厅堂，中频混响时间为1.2秒，它适用于（）。
下列关于子宫内膜增生症的描述，正确的是()
患儿，女性，5岁，因右下肢跛行3年而入院。患儿2岁方学会走路，当时被发现右下肢行走不稳，升降步态，无外伤史。体检：体温36．5℃。右下肢无红肿、无压痛，下肢肌力正常，皮肤感觉正常，右髋关节屈伸正常，外展稍受限，其余关节活动正常。Allis征（＋），Trendelenburg试验（＋），X线摄片示：右Shenton线不连，髋臼指数50°，股骨头位于Perkin方格的外上象限，且发育差，变小，但密度正常，前倾角80°，臼头无破坏，颈干角140°。对此患儿，拟如何实施治疗（）。
回阳救急汤的功用是（）
碳晶地暖的使用费用如何？
自身免疫性疾病是由于下列哪项免疫功能损害所致（）
There are three kinds of goals: short-term,medium-range and long-term goals. Short-range goals are those that usually deal with current activities,which we can apply on a daily basis.Such goals can be achieved in a week or less,or two weeks,or possible months.It should be remembered that just as a building is no stronger than its foundation ,out long-term goals cannot amount to very munch without the achievement of solid short-term goals.Upon completing our short-term goals,we should date the occasion and then add new short-term goals that will build on those that have been completed. The intermediate goals bukld on the foundation of the short-range goals.They might deal with just one term of school or the entire school year,or they could even extend for several years.Any time you move a step at a time,you should never allow yourself to become discouraged or overwhelmed. As you complete each step,you will enforce the belief in your ability to grow adn succeed.And as your list of completion dates grow,your motivation and desire will increase. Long-range goals may be related to our dreams of the future. They might cover five years or more. Life is not a static thing.We should never allow a long-term goal to limit us or our course of action. Our long-term goals mean a lot（）. New short-term goals are bulid upon（）. When we complete each step of our goals ,（）. Once our goals are drawn up,（）. It is implied but not stated in the passage that （）.